Introduction
The Lithium-ion Polymer Battery 3.7V 250mAh is the ideal solution for providing independent and stable power to devices requiring mobility and long-lasting energy.
Advantage
Easy Integration
The standardized shape allows for quick installation into various small electronic devices.
Compact and Lightweight Design
Small and lightweight, with dimensions of only 50 mm × 20 mm × 10 mm, significantly reducing the weight of the end device.
High Discharge Stability
Even under high load conditions, the battery maintains a stable voltage output at a maximum discharge current of 1.0C.
Specification
|
Batteries |
3.7v 250mAh lipo battery |
|
Charge voltage |
4.2V |
|
Nominal voltage |
3.7V |
|
Nominal capacity |
250mAh 0.2C Discharge |
|
Charge current |
Standard Charging: 0.5C Rapid charge: 1.0C |
|
Standard Charging Method |
0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C |
|
Charging time |
Standard Charging: 2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
|
Max. charge current |
1.0C |
|
Max. discharge current |
1.0C |
|
Discharge cut-off voltage |
2.75V(0.2C) |
|
Operating temperature |
Charging: 0 °C ~45 °C Discharging: 0 °C ~45 °Carging: 0 °C ~45 °C |
|
Discharging: Storage temperature0 °C ~45 °C |
-10°C~ +45 °C |
|
Dimension |
Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
|
Drop Test |
The cell is to be dropped from a height of meters twice onto concrete ground. No fire, no leakage |
|
Cycle time |
≥300times |
Customizable Options
Our 3.7V 250mAh lithium-ion polymer battery supports various customization options, allowing for optimization based on customer device requirements:
Capacity Customization
Available in capacities ranging from 200 to 500mAh to meet the power needs of different devices.
Size Customization
Battery length, width, and thickness can be adjusted according to device space requirements, ensuring a compact design and lightweight construction.
Interface and Wiring Customization
Supports different types of solder tabs, cable lengths, and connectors for quick compatibility with existing equipment, reducing installation costs.
Labeling and Packaging Customization
Customizable battery labels, logos, and packaging options are available to meet branding or bulk shipping requirements.
Why Partner with Us
Hubei Shuoyue Electronics Technology Co., Ltd., founded in 2014, specializes in small polymer lithium-ion batteries for Bluetooth devices, smart wearables, healthcare, and other applications. We are committed to providing safe, reliable, and environmentally friendly battery solutions.
Large-Scale Production Capacity
Daily output reaches 600,000 units, with an annual production of 120 million batteries, reliably meeting high-volume orders.
Dedicated R&D Strength
Over 800 employees, including 40+ engineers, with a core team having 10+ years of industry experience to provide product development and technical support.
High-Precision Equipment
Hundreds of advanced production and testing machines covering cell manufacturing, packaging, and quality control.
Certifications & Patents
CCC, ISO 9001, KC, UL, ROHS compliance, plus two invention patents and utility model patents.
FAQ
Q: Do you have current samples in stock?
A: We usually have battery cells in stock. Battery packs need to be assembled, as different customers have different requirements. Even if the voltage and capacity are the same, other parameters may vary. However, we can finish your samples quickly once the order is confirmed.
Q: What's the delivery time for mass production?
A: Usually 25–30 days. It depends on the order quantity, materials, battery cell model, and other factors. We suggest confirming the delivery time on a case-by-case basis.
Q: What is your quality control process?
A: We are ISO9001 certified and strictly follow ISO procedures. We carry out 100% inspection on all batteries before delivery.
Q: Can this battery be customized?
A: Yes, capacity, dimensions, connectors, and labeling can be customized to meet device requirements.
Q: How can I pay?
A: You can pay us by PayPal, Western Union, T/T, or LC at sight.
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